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7th CBSE
IMPORTANT
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The symbolic representation of a chemical reaction

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Important Questions on Matter and Chemical Formulae

MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 4
The elements or compounds that react to form a new substance during a chemical change are:
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 4
The elements or compounds that are formed in a chemical reaction are: (products / catalyst / reactants)
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 4
A chemical equation containing unequal number of atoms of reactants and products is: (Balanced chemical equation / Unbalanced chemical equation)
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7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 4
The combining capacity of an element is :
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7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>ASSESSMENT ZONE>Q A
What is the charge on an electron?
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7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>ASSESSMENT ZONE>Q A
A compound is made up of _____.
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7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>ASSESSMENT ZONE>Q A
Sodium chloride molecule is an example of:
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7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>ASSESSMENT ZONE>Q A
An atom consists of _____.